Arashi (means storm) is a super popular Japanese boy band, and almost definitely the successor to SMAP as most popular group, if they haven't already. I don't really know much about them as I'm not a fan of boy bands, but compared to the other groups I actually don't mind them much. They don't seem to be posers as much and seem more natural and good natured with their personalities. I suppose that's why they're so popular, as they can make enemies into at least neutrals.

Members from left to right in the picture is (in Japanese style- Last name first-):
Ninomiya Kazunari
Aiba Masaki
Matsumoto Jun
Sakurai Sho
Ohno Satoshi -leader, but doesn't act like it)

BIG BRO
Gackt appears on this show as an 'Aniki' 兄貴 (Big Bro) type character, and teaches the younger members of Arashi, the ways of a Gackt styled 'Perfect Life'.

'Aniki' is also often used in gangs when referring to members that are senior to you, and I think thats another reason they used this word, as Gackt has a bit of a badass aura.

They said at the start he must be busy going to the regional areas. I'm pretty sure they mean him helping out in the tsunami and earthquake hit areas, which were generally the countryside.

INAGAWA JUNJIInagawa Junji is a peculiar TV personality famous for telling scary supernatural stories. They said he's busy in the summer, as traditionally, summer is the season for telling scary stories and going to 'Kimodameshi' 肝試し (test of wits). This is basically going someplace scary, generally at night, and often rumored to be haunted to test your courage ........and get excited...I suppose. It's very common to see a scene of this in anime, usually as a ploy to get a girl close to male character (or vice versa).

CHOPSTICK CASE
Probably doesn't need explaining but here it is...

DIE WHILE STANDING
Gackt reveals his image of his own death. He says that before, he used imagine himself "Dying while standing, like Raoh". Raoh is the main bad guy off popular 80's manga/anime, Fist of the North Star. Raoh's death is a very famous scene, as he dies standing after screaming "I have not one regret!!".

Raoh dies in this position.

RIDING THE RED COMET

Gackt (and people around him apparently) call his red car, 'The Red Comet' (Akai suisei 赤い彗星). This is in reference to the Mobile Suit of Char Aznable from the anime, 'Mobile Suit Gundam'. Char's Mobile Suit is extremely fast, and leaves behind a red trail when he flies around, resembling a comet, and so is nicknamed 'Char the Red Comet' (Akai suiseui no Char 赤い彗星のシャー). It's well known that Gackt is an avid fan of Gundam, and this character.

I think video 3 didn't really have anything to explain since they were just playing around on the exercise machines for the most part.

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